All builds prior to 189 are a pain in the [censored] to install and run.

builds 56, 58s install fine without any fixes. 73, 73g and 78 require that Cab32 fix, Build 81 can only be installed through KenOath's fixed ISO, and 122 can be installed correctly on QEMU 0.15, but if you want sound, use the driver files from KenOath's VHD of 122,